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This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
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done
mv $TEMP $NAME
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done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.5 KiB
LLVM
54 lines
1.5 KiB
LLVM
; Test that the strncat libcall simplifier works correctly.
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;
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
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@hello = constant [6 x i8] c"hello\00"
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@empty = constant [1 x i8] c"\00"
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@a = common global [32 x i8] zeroinitializer, align 1
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declare i8* @strncat(i8*, i8*, i32)
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define void @test_simplify1() {
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; CHECK-LABEL: @test_simplify1(
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; CHECK-NOT: call i8* @strncat
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; CHECK: ret void
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%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
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%src = getelementptr [6 x i8]* @hello, i32 0, i32 0
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call i8* @strncat(i8* %dst, i8* %src, i32 13)
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ret void
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}
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define void @test_simplify2() {
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; CHECK-LABEL: @test_simplify2(
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; CHECK-NEXT: ret void
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%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
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%src = getelementptr [1 x i8]* @empty, i32 0, i32 0
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call i8* @strncat(i8* %dst, i8* %src, i32 13)
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ret void
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}
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define void @test_simplify3() {
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; CHECK-LABEL: @test_simplify3(
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; CHECK-NEXT: ret void
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%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
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%src = getelementptr [6 x i8]* @hello, i32 0, i32 0
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call i8* @strncat(i8* %dst, i8* %src, i32 0)
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ret void
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}
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define void @test_nosimplify1() {
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; CHECK-LABEL: @test_nosimplify1(
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; CHECK: call i8* @strncat
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; CHECK: ret void
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%dst = getelementptr [32 x i8]* @a, i32 0, i32 0
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%src = getelementptr [6 x i8]* @hello, i32 0, i32 0
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call i8* @strncat(i8* %dst, i8* %src, i32 1)
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ret void
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}
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